H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 4/86 (2006.01) H01M 8/10 (2006.01)
Patent
CA 2482061
Disclosed is a membrane-electrode structure for a solid polymer fuel cell comprising a pair of electrode catalyst layers and a polyeletrolyte membrane sandwiched between the electrode catalyst layers, wherein the electrode catalyst layers contain polyarylene having a sulfonic acid group, said polyarylene comprising a recurring unit represented by the following formula (A) and a recurring unit represented by the following formula (B); (A) wherein Y is a direct bonding or a group selected from a divalent electron withdrawing group and a divalent electron donating group, Ar is a mononuclear or polynuclear aromatic group, m is an integer of 0 to 10, k is an integer of 0 to 5, l is an integer of 0 to 4, and k+1>=1; (see formula I and II) wherein R1 to R8 are each a hydrogen atom, a fluorine atom, an alkyl group, a fluorine-substituted alkyl group, an aryl group or an allyl group, W is a divalent electron withdrawing group or a direct bonding, T is a direct bonding, a divalent electron withdrawing group, a divalent electron donating group or the like, and n is an integer of 2 or more. The membrane-electrode structure for a solid polymer fuel cell of the present invention exhibits excellent electricity generation performance.
Asano Yoichi
Goto Kohei
Otsuki Toshihiro
Takahashi Ryoichiro
Honda Motor Co. Ltd.
Jsr Corporation
Smart & Biggar
LandOfFree
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